NF EN 13523-4

Coil coated metals - Test methods - Part 4 : pencil hardness

Le présent document décrit la méthode de détermination de la dureté relative d'un revêtement organique sur un subjectile métallique, au moyen de crayons de dureté connue. Les surfaces lisses donnent des résultats plus précis, mais la méthode s'applique également aux surfaces texturées. Plus la texture est prononcée, moins les résultats sont fiables.

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